580644

Appears in sequences

• Number of nX6 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.at n=8A183373
• Triangular array read by rows. T(n,k) is the number of labeled posets on [n] of rank at most one with exactly k elements of positive indegree, n >= 0, 0 <= k <= max{0,n-1}.at n=39A369919